pypdf has a possible infinite loop when processing TreeObject

ImpactAn attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires accessing the children of a TreeObject, for example as part of outlines. PatchesThis has been fixed in pypdf==6.7.1. WorkaroundsIf you cannot upgrade yet, consider applying the changes fro...

Infinite Loop

pypdf is vulnerable to Infinite Loop. The vulnerability is due to an attacker being able to craft a PDF which leads to an infinite loop, where accessing the children of a TreeObject, for example as part of outlines, can be exploited by attackers...

SUSE CVE-2026-27024

pypdf is a free and open-source pure-python PDF library. Prior to 6.7.1, an attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires accessing the children of a TreeObject, for example as part of outlines. This vulnerability is fixed in 6.7.1...

DEBIAN-CVE-2026-27024

pypdf is a free and open-source pure-python PDF library. Prior to 6.7.1, an attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires accessing the children of a TreeObject, for example as part of outlines. This vulnerability is fixed in 6.7.1...

UBUNTU-CVE-2026-27024

pypdf is a free and open-source pure-python PDF library. Prior to 6.7.1, an attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires accessing the children of a TreeObject, for example as part of outlines. This vulnerability is fixed in 6.7.1...

CVE-2026-27024 pypdf has a possible infinite loop when processing TreeObject

pypdf is a free and open-source pure-python PDF library. Prior to 6.7.1, an attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires accessing the children of a TreeObject, for example as part of outlines. This vulnerability is fixed in 6.7.1...

CVE-2026-27024

CVE-2026-27024 affects the pypdf (pypdf2) library prior to 6.7.1. The vulnerability allows an attacker to craft a PDF that causes an infinite loop when processing TreeObject children (e.g., in outlines), resulting in a DoS. The issue is fixed in version 6.7.1; multiple connected advisories (openS...

GHSA-996Q-PR4M-CVGQ pypdf has a possible infinite loop when processing TreeObject

Impact An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires accessing the children of a TreeObject, for example as part of outlines. Patches This has been fixed in pypdf==6.7.1. Workarounds If you cannot upgrade yet, consider applying the changes...

Infinite loop

Overview pypdf is an A pure-python PDF library capable of splitting, merging, cropping, and transforming PDF files Affected versions of this package are vulnerable to Infinite loop in the children function in generic/datastructures.py‎, which fails to return from nodes with cyclic links in a...

Git Denial of Service Vulnerability

Git is a free, open source distributed version control system developed by American software developer Linus Torvalds Linus Torvalds. A security vulnerability exists in Git 2.14.2 and earlier versions, which stems from the program's failure to properly handle the tree object layer. A remote...

CVE-2013-0079

CVE-2013-0079 affects Microsoft Visio Viewer 2010 SP1. The vulnerability is described as a memory allocation error in the Visio Tree Object Confusion vulnerability that allows remote code execution when processing a crafted Visio file. Connected sources corroborate, noting this is addressed by Mi...

CVE-2013-0079: Undefined Security Weakness

Microsoft Visio Viewer 2010 SP1 allows remote attackers to execute arbitrary code via a crafted Visio file that triggers incorrect memory allocation, aka "Visio Viewer Tree Object Type Confusion Vulnerability."...